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Area code 301 was the first area code for all of Maryland, from 1947, when the area code system was created, until 1991, when everything from Baltimore eastward split off as area code 410. In 1997, area code 240 was added as an overlay area code for the 301 territory. On June 14, 2023, a third overlay code, 227, was added to provide more ...
Some geographic area codes are similar to the toll-free codes, e.g., 801, 818, 860. Toll-free numbers are also sometimes confused with 900-numbers, for which the telephone company bills the callers at rates far in excess of long-distance service rates for services such as recorded information or live chat.
Telephone numbers in Canada follow the fixed-length format of the North American Numbering Plan (NANP) of a three-digit area code, a three-digit central office code (or exchange code), and a four-digit station or line code. This is represented as NPA NXX XXXX. [1]
Area codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.
Here's a list of scammer phone numbers and area codes to avoid answering if you don't know exactly who's calling. ... This scam starts with a text message or voicemail saying you need to take ...
The blue area is assigned area codes 301, 240, and 227; the red area is area codes 410, 443 and 667 ... Text is available under the Creative Commons Attribution ...
Area codes 506 and 428; Area codes 514, 438, and 263; Area codes 519, 226, 548, and 382; Area codes 587, 825, and 368; Area code 600; Area code 604; Area codes 613, 343, and 753; Area code 700; Area codes 705, 249, and 683; Area code 709 and 879; Area codes 778, 236, and 672; Area code 780; Area code 807; Area codes 819, 873, and 468; Area code ...
Most of the Washington region's inner ring is a single local calling area, even though it is split between three area codes–the District's area code 202, Maryland's area code 301 and Northern Virginia's area code 703. For most of the second half of the 20th century, it was possible to dial any number in the metro area with just seven digits.